How to easily remove test and refit Mini R56, R55 sump and oil pump plus chain the oil pump chain

Here I show how to easily take off the sump bowl and remove the oil pump to check out if it's worn or not on a Mini Cooper S R56, R55. Step-by-step process to dismantle the pump and check it out. Also covered is how to replace the oil pump chain and refit and seal the sump.
#mechanic #minicooper #diy